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Add conversions to and from double for units.

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Bug: webrtc:8415
Change-Id: I6b1f7afb163daa327e45c51f1a3fb7cafbb1444e
Reviewed-on: https://webrtc-review.googlesource.com/78183
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23451}
This commit is contained in:
Sebastian Jansson
2018-05-30 15:47:44 +02:00
committed by Commit Bot
parent f859e55d9b
commit 942b360d82
9 changed files with 424 additions and 87 deletions
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33
api/units/timestamp_unittest.cc
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@ -58,6 +58,39 @@ TEST(TimestampTest, ComparisonOperators) {
EXPECT_GT(Timestamp::ms(kLarge), Timestamp::ms(kSmall));
}
TEST(TimestampTest, CanBeInititializedFromLargeInt) {
const int kMaxInt = std::numeric_limits<int>::max();
EXPECT_EQ(Timestamp::seconds(kMaxInt).us(),
static_cast<int64_t>(kMaxInt) * 1000000);
EXPECT_EQ(Timestamp::ms(kMaxInt).us(), static_cast<int64_t>(kMaxInt) * 1000);
}
TEST(TimestampTest, ConvertsToAndFromDouble) {
const int64_t kMicros = 17017;
const double kMicrosDouble = kMicros;
const double kMillisDouble = kMicros * 1e-3;
const double kSecondsDouble = kMillisDouble * 1e-3;
EXPECT_EQ(Timestamp::us(kMicros).seconds<double>(), kSecondsDouble);
EXPECT_EQ(Timestamp::seconds(kSecondsDouble).us(), kMicros);
EXPECT_EQ(Timestamp::us(kMicros).ms<double>(), kMillisDouble);
EXPECT_EQ(Timestamp::ms(kMillisDouble).us(), kMicros);
EXPECT_EQ(Timestamp::us(kMicros).us<double>(), kMicrosDouble);
EXPECT_EQ(Timestamp::us(kMicrosDouble).us(), kMicros);
const double kPlusInfinity = std::numeric_limits<double>::infinity();
EXPECT_EQ(Timestamp::Infinity().seconds<double>(), kPlusInfinity);
EXPECT_EQ(Timestamp::Infinity().ms<double>(), kPlusInfinity);
EXPECT_EQ(Timestamp::Infinity().us<double>(), kPlusInfinity);
EXPECT_TRUE(Timestamp::seconds(kPlusInfinity).IsInfinite());
EXPECT_TRUE(Timestamp::ms(kPlusInfinity).IsInfinite());
EXPECT_TRUE(Timestamp::us(kPlusInfinity).IsInfinite());
}
TEST(UnitConversionTest, TimestampAndTimeDeltaMath) {
const int64_t kValueA = 267;
const int64_t kValueB = 450;